i-v iii iim iio iir im- imi imm imo imv imy io- ioi iom ioo ior iov ir- iri irm iro irr irv iry ivi ivo ivr ivv ivy iym iyo iyr iyy m-o m-r m-v mi- mii mim mio mir miv miy mmi mmm mmo mmr mmv moi mom moo mor mov moy mri mrm mro mrr mrv mry mvi mvm mvo mvr mvv mvy my- mym myo myr myv o-i oii oim oio oir oiv om- omi omm omo omr omv omy oo- ooi oom ooo oor oov or- ori orm oro orr orv ory ov- ovi ovo ovv oyi oyo rii rim rio rir riv riy rmi rmm rmo rmr rmv roi rom roo ror rov roy rri rrm rrr rvi rvm rvo rvr rvv rvy ry- rym ryo ryr ryy vi- vii vim vio vir viv viy vm- vmi vmm vmo vmr voi vom voo vor vov voy vri vrm vrr vry vvi vvm vvo vvr vvv vym yii yim yio yir ymi ymm ymo yoi yom yoo yor yoy yro yvi yvo yvr yvy yyy